The RMT Union is holding a London Underground strike. Picture: Oli Scarff/Getty Images

Chris Lambert, from Inrix, said: "For many commuters, overground rail services paired with comfortable shoes and an umbrella might be the best option.

"There is no question that another strike will cause more disruption so we would strongly advise drivers to leave early and leave extra time to complete their journeys, check the roads before they travel or better still work from home if that's an option."